VTech Digital Audio Baby Monitor - with DECT 6.0 digital technology

The unpleasant white noise you experience with analog monitors is eliminated by the DECT 6.0 digital technology in the VTech DM221 Digital Audio Monitor, which offers crystal-clear transmission. Your infant is the only thing making noises that you can hear. You may be sure that you will hear only your baby's sounds thanks to totally digital transmission, which removes background noise and prevents interference. Check to see if the baby unit is on. Bring the parent unit up to one meter, or three feet, from the baby unit, but no closer. The parent unit's battery might need to be recharged if you're using it cordlessly. It takes 12 hours to fully recharge. Reset the system by disconnecting power from both units, waiting at least one minute, then reconnecting power. Give the two units some time to connect to one another. The baby monitor may be hampered by nearby cordless phones or other electronic gadgets. Keep these gadgets as far away as you can. The nightlight will automatically switch off after 15 minutes if no sound is heard after you turn it on.     Specifications: Brand VTech Indoor/Outdoor Usage Indoor Connectivity Technology Wireless Color White/Silver Product Weight 12.8 Oz   With the help of DECT 6.0 technology, you can travel from room to room while still receiving crystal-clear audio transmission that blocks out obtrusive background noise. Up to 1,000 feet of range lets you stay connected to your baby from another room The parent unit's LEDs show the volume of the noise in your baby's room, so you can keep an eye on it visually. Do not use cleaning spray or liquid cleaners; the parent unit's built-in intercom allows you to communicate with your child from any room A soothing light on the baby unit gently illuminates a dark nursery. You can switch the baby unit's nightlight on or off using both the parent unit (s) and the baby unit You can decide whether to always hear sounds coming from the baby unit or just those that are louder above a specified threshold. You can modify the baby unit's microphone sensitivity using the parent unit. Rechargeable Ni-MH batteries or AC power power the parent unit. Make sure to utilize both battery and AC power simultaneously to continuously monitor your infant. The parent unit can only operate cordlessly for a brief period of time using the battery by itself.